The band made the news known via their official website.
"ALTHOUGH WE REGRET TO INFORM YOU THAT 'HOT SAUCE COMMITTEE PART 1' WILL CONTINUE TO BE DELAYED INDEFINITELY, 'HOT SAUCE COMMITTEE PART 2' WILL BE RELEASED ON TIME AS ORIGINALLY PLANNED IN SPRING OF 2011," they wrote.
The band has been on hiatus since Adam "MCA" Yauch was diagnosed with a cancerous tumor on his salivary glands last year. Via a blog post by Mike D's wife, director Tamra Davis, Yauch appears to be making a recovery.
The new release will be the band's first proper rap album since 2004's "To the 5 Boroughs." The band released "The Mix Up," an album of instrumental performances, in 2007.